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add helper methods for intersection

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Tony Crisci 2017-08-17 10:12:36 -04:00 • committed by Drew DeVault
parent 420bd3e422
commit 5a9baf487e
3 changed files with 45 additions and 13 deletions
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30
types/wlr_output_layout.c
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@ -47,6 +47,36 @@ struct wlr_output_layout_output *wlr_output_layout_get(
}
static bool output_contains_point( struct wlr_output_layout_output *l_output,
int x, int y, int width, int height) {
return x >= l_output->x && x <= l_output->x + width &&
y >= l_output->y && y <= l_output->y + height;
}
bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
struct wlr_output *reference, int x, int y) {
struct wlr_output_layout_output *layout_output = wlr_output_layout_get(layout, reference);
int width, height;
wlr_output_effective_resolution(layout_output->output, &width, &height);
return output_contains_point(layout_output, x, y, width, height);
}
bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
struct wlr_output *reference, int x1, int y1, int x2, int y2) {
struct wlr_output_layout_output *l_output = wlr_output_layout_get(layout, reference);
if (!l_output) {
return false;
}
int width, height;
wlr_output_effective_resolution(l_output->output, &width, &height);
// the output must contain one of the points
return output_contains_point(l_output, x1, y1, width, height) ||
output_contains_point(l_output, x2, y2, width, height) ||
output_contains_point(l_output, x2, y1, width, height) ||
output_contains_point(l_output, y2, x1, width, height);
}
struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
double x, double y) {
struct wlr_output *ret = NULL;